1. Team Green Speed Control - Steady State Performance and Step Response John Barker John Beverly Keith Skiles ENGR 329 UTC 2/1/06

2. Outline  Background of Aerator Mixer Speed Control System  SSOC Results  Step Response Results  Conclusions

3. Aerator Mixer Speed Control System

4. Block Diagram of System

6. SSOC Calculations Input Motor Power (%) Output Drive Speed (rpm) Uncertainity (± rpm) 101585.78 203344.21 305083.09 406822.33 508562.16 6010312.32 7012041.99 8013713.91 9015394.51 10017074.43

12. Step Response Values and Errors

13. Summary  Operating Range (0-100%) Input and (150-1700 rpm) Output  First Order Plus Dead Time Model

14. Questions?